◎ 题干
We usually go to work _____ subway.
[     ]
A. by the
B. by a
C. by
D. on
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“We usually go to work _____ subway. [ ]A. by the B. by a C. by D. on …”主要考查了你对  【介词】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。